Chemical Thermodynamics Question 187

Question: Heat of formation of CO2(g),H2O(l) and CH4(g) are - 94.0, - 68.4 and - 17.9 kcal respectively. The heat of combustion of methane is

Options:

A) - 212.9 kcal

B) - 136.8 kcal

C) - 304.3 kcal

D) - 105.2 kcal

Show Answer

Answer:

Correct Answer: A

Solution:

Find ΔH for CH4+2O2CO2+2H2O(g) .



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